Intestinal Colonization of Multidrug-Resistant Organisms: Identification and Antibiotic Susceptibility Patterns of Bacteria Isolated From Healthy Human Fecal Specimens
2024

Intestinal Colonization of Multidrug-Resistant Organisms in Healthy Individuals

Sample size: 255 publication Evidence: high

Author Information

Author(s): Muacevic Alexander, Adler John R, Waddepally Vishnu Vandana, Rabye Sofiya, Bashir Ryhana, Kandi Venkataramana

Primary Institution: Vydehi Institute of Medical Sciences and Research Center

Hypothesis

What is the prevalence of multidrug-resistant bacteria in the intestines of healthy individuals in South India?

Conclusion

The study revealed a high carriage rate of multidrug-resistant organisms in the intestines of healthy adults in the community.

Supporting Evidence

  • 57.04% of the isolated bacteria were confirmed as multidrug-resistant organisms.
  • Klebsiella was the most resistant bacterial isolate among the tested organisms.
  • High prevalence rates of ESBL and AmpC β-lactamase producers were observed.

Takeaway

This study found that many healthy people carry germs that are hard to treat with antibiotics, which can be a problem for everyone.

Methodology

A prospective study was conducted over six months, collecting and analyzing 255 fecal samples from healthy individuals for the presence of multidrug-resistant bacteria.

Potential Biases

Recall bias may affect the accuracy of self-reported data on prior antibiotic usage.

Limitations

The study mainly used conventional culture-based methods, which may have lower sensitivity compared to molecular techniques, and relied on self-reported data that could be affected by recall bias.

Participant Demographics

Participants were healthy adults aged 15 to 55, with a majority being male and educated.

Digital Object Identifier (DOI)

10.7759/cureus.75006

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